diff --git a/common.py b/common.py
new file mode 100644
index 000000000..40655e7ed
--- /dev/null
+++ b/common.py
@@ -0,0 +1,55 @@
+import os
+from configparser import ConfigParser
+
+
+class Dictionary(dict):
+    """
+
+    把settings.ini中的参数添加值dict
+
+    """
+
+    def __getattr__(self, keyname):
+        # 如果key值不存在则返回默认值"not find config keyname"
+        return self.get(keyname, "settings.ini中没有找到对应的keyname")
+
+
+class Conf(object):
+    '''
+    ConfigParser二次封装，在字典中获取value
+    '''
+
+    def __init__(self):
+        # 设置conf.ini路径
+        current_dir = os.path.dirname(__file__)
+        top_one_dir = os.path.dirname(current_dir)
+        file_name = top_one_dir + "/settings.ini"
+        # 实例化ConfigParser对象
+        self.config = ConfigParser()
+        self.config.read(file_name)
+        # 根据section把key、value写入字典
+        for section in self.config.sections():
+            setattr(self, section, Dictionary())
+            for keyname, value in self.config.items(section):
+                setattr(getattr(self, section), keyname, value)
+
+    def getconf(self, section):
+        """配置文件读取
+
+        读取ini文件
+        用法：
+        conf = Conf()
+        info = conf.getconf("main").url
+
+        Args:
+            section (str): ini中的section名
+
+        Returns:
+            object: getattr()函数
+
+        """
+        if section in self.config.sections():
+            pass
+        else:
+            print("config.ini 找不到该 section")
+        return getattr(self, section)